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Installation
Functional Tests
36
Operating Manual for XKW 3kW Series Power Supply
Current Mode
Operation
To check current mode operation, proceed as follows:
1. Rotate the VOLTAGE and CURRENT controls fully counterclockwise.
2. Rotate the VOLTAGE control 1/2 turn clockwise.
3. Connect a high current DC ammeter
1
across the rear output terminals, observing
correct polarity. Select leads of sufficient current carrying capacity and an
ammeter range compatible with the unit's rated current output. The ammeter
should have an accuracy of better than 0.5%.
4. Set the POWER switch to ON.
5. Rotate the CURRENT control slowly clockwise. The control range should be
from zero to the maximum rated output. Compare the test meter reading with the
reading on the front panel ammeter. Check that the red current mode indicator
led is ON.
6. Set the POWER switch to OFF.
Front Panel
Function
Checks
1. Press OVP CHECK switch and check that the voltmeter displays approximately
the model-rated output voltage plus 10%.
2. Turn OVP SET potentiometer counter-clockwise and check that the voltmeter
reading decreases. Continued turning (up to 20 turns) will see the reading
decrease to approximately 5% of the model-rated voltage output. Turn the
potentiometer clockwise until the voltmeter once again displays approximately
the model-rated output voltage plus 10%.
3. With voltage and current controls turned all the way in a clockwise direction,
press the V & I CHECK switch and check that the voltmeter and ammeter
display a minimum of the power supply model output ratings.
4. With voltage and current controls turned all the way in a clockwise direction,
push the STANDBY switch to its IN position and check that the voltmeter
reading falls to zero and the S/D (Shutdown) LED illuminates. Push the
STANDBY switch once again to reset it to its OUT position. The S/D LED will
turn off.
5. Push REM/LOC switch to IN position and check that the REM LED illuminates
and the voltmeter reading falls to zero. Reset the REM/LOC switch to its OUT
position for local (default) operation.
1. Either a direct reading meter or calibrated meter and shunt combination.
TM-25OP-01XN.book Page 36 Monday, April 5, 2004 8:58 AM
Summary of Contents for XKW 10-300
Page 2: ......
Page 3: ...Operating Manual for XKW 3000 Watt Series Programmable DC Power Supply...
Page 14: ...xii Operating Manual for XKW 3kW Series Power Supply...
Page 18: ...List of Tables xvi Operating Manual for XKW 3kW Series Power Supply...
Page 28: ...Features and Specifications Specifications 26 Operating Manual for XKW 3kW Series Power Supply...
Page 48: ...Installation Using Remote Sensing 46 Operating Manual for XKW 3kW Series Power Supply...
Page 80: ...Operation Using Multiple Supplies 78 Operating Manual for XKW 3kW Series Power Supply...
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